Memory Management Overhead

Source code: oils/benchmarks/gc.sh

GC Stats

task elapsed ms max gc millis total gc millis allocated MB max rss MB num allocated num gc points num gc done gc threshold num growths max survived shell label
parse.configure-cpython 32 3 9 12.0 18.2 471,275 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 35 4 10 12.0 18.7 471,275 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 140 24 65 45.9 51.7 1,638,014 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 146 25 64 45.9 52.3 1,638,013 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,803 180 3 86,646 1 43,323 osh-native
parse.abuild 10 1 2 2.6 9.0 102,803 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.3 572,127 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 1 2.8 8.7 572,127 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 220 0 4 11.6 9.2 990,273 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 230 0 4 11.6 9.6 990,272 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.6 117,234 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 21 1 2 3.0 10.1 117,233 277 3 84,016 1 42,008 osh-nosouffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 7 0 1.6 dash -
13 12 1 3.3 bash -
90 51 45 3.5 zsh -
15 11 4 29.2 bumpleak/osh mut
16 12 4 29.3 _bin/cxx-opt+bumproot/osh mut
19 16 3 30.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 17 9 25.4 osh-native mut+alloc
28 19 8 26.0 osh-native mut+alloc+free
32 27 4 18.2 osh-native mut+alloc+free+gc
32 25 7 18.1 osh-native mut+alloc+free+gc+exit
29 17 12 25.8 osh-nosouffle mut+alloc
31 20 12 26.3 osh-nosouffle mut+alloc+free
35 31 4 18.7 osh-nosouffle mut+alloc+free+gc
34 26 8 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 27 13 32.2 _bin/cxx-opt+nopool/osh mut+alloc
45 34 11 22.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

parse.configure-coreutils

Parsing the autoconf-generated configure script from GNU coreutils.

Note that unlike other shells, osh -n retains all nodes on purpose. (See the parser benchmark).

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
23 23 0 1.7 dash -
43 41 2 3.4 bash -
325 189 160 3.5 zsh -
45 34 11 85.5 bumpleak/osh mut
47 38 9 86.3 _bin/cxx-opt+bumproot/osh mut
59 44 15 87.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 57 27 73.7 osh-native mut+alloc
94 57 37 75.4 osh-native mut+alloc+free
140 121 19 51.7 osh-native mut+alloc+free+gc
144 123 21 52.5 osh-native mut+alloc+free+gc+exit
91 54 36 74.2 osh-nosouffle mut+alloc
99 69 31 75.9 osh-nosouffle mut+alloc+free
146 117 29 52.3 osh-nosouffle mut+alloc+free+gc
151 128 23 52.8 osh-nosouffle mut+alloc+free+gc+exit
127 80 47 97.9 _bin/cxx-opt+nopool/osh mut+alloc
206 169 37 71.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

parse.abuild

Parsing abuild from Alpine Linux.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
2 2 0 1.7 dash -
4 2 1 3.1 bash -
7 3 4 3.4 zsh -
6 4 2 11.3 bumpleak/osh mut
7 4 3 11.6 _bin/cxx-opt+bumproot/osh mut
7 6 2 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
8 4 4 10.6 osh-native mut+alloc+free
9 6 4 8.7 osh-native mut+alloc+free+gc
9 6 4 8.8 osh-native mut+alloc+free+gc+exit
9 5 3 11.0 osh-nosouffle mut+alloc
9 7 2 11.0 osh-nosouffle mut+alloc+free
10 4 6 9.0 osh-nosouffle mut+alloc+free+gc
10 8 2 9.4 osh-nosouffle mut+alloc+free+gc+exit
11 5 6 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 9 3 9.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

ex.compute-fib

A synthetic benchmark for POSIX shell arithmetic.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
9 9 0 1.4 dash -
30 29 1 3.3 bash -
21 17 4 3.4 zsh -
17 14 3 32.7 bumpleak/osh mut
18 15 3 32.0 _bin/cxx-opt+bumproot/osh mut
20 15 6 33.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 19 9 26.9 osh-native mut+alloc
31 18 13 27.3 osh-native mut+alloc+free
20 19 1 8.3 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
33 17 16 27.3 osh-nosouffle mut+alloc
35 24 11 27.4 osh-nosouffle mut+alloc+free
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 32 13 36.6 _bin/cxx-opt+nopool/osh mut+alloc
30 27 3 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

ex.bashcomp-parse-help

A realistic bash-completion workload.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
104 102 2 3.5 bash -
212 158 54 56.7 bumpleak/osh mut
220 183 37 56.9 _bin/cxx-opt+bumproot/osh mut
238 180 58 57.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
253 178 75 48.9 osh-native mut+alloc
264 196 68 50.7 osh-native mut+alloc+free
220 174 46 9.2 osh-native mut+alloc+free+gc
224 183 40 8.9 osh-native mut+alloc+free+gc+exit
263 193 70 49.3 osh-nosouffle mut+alloc
271 205 66 51.1 osh-nosouffle mut+alloc+free
230 175 55 9.6 osh-nosouffle mut+alloc+free+gc
228 183 45 9.6 osh-nosouffle mut+alloc+free+gc+exit
276 203 74 65.4 _bin/cxx-opt+nopool/osh mut+alloc
250 198 52 10.7 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

ex.abuild-print-help

Running abuild -h from Alpine Linux.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
9 5 5 4.1 dash -
16 7 10 4.7 bash -
16 7 9 3.9 zsh -
17 5 13 13.9 bumpleak/osh mut
18 8 10 14.4 _bin/cxx-opt+bumproot/osh mut
20 8 13 14.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 11 9 11.7 osh-native mut+alloc
21 10 12 11.7 osh-native mut+alloc+free
20 14 7 9.6 osh-native mut+alloc+free+gc
21 11 11 9.6 osh-native mut+alloc+free+gc+exit
20 13 9 12.1 osh-nosouffle mut+alloc
22 8 14 12.2 osh-nosouffle mut+alloc+free
21 11 11 10.1 osh-nosouffle mut+alloc+free+gc
22 15 8 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 14 10 13.2 _bin/cxx-opt+nopool/osh mut+alloc
24 17 8 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc